Utility knife



FIG. 1 is a perspective view of my new design.

FIG. 2 is a top view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is another side view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a front view thereof.

FIG. 7 is a rear view thereof.

FIG. 8 is a perspective view of another embodiment of my new design.

FIG. 9 is a top view thereof.

FIG. 10 is a side view thereof.

FIG. 11 is another side view thereof.

FIG. 12 is a bottom view thereof.

FIG. 13 is a front view thereof; and,

FIG. 14 is a rear view thereof. 

The ornamental design for a utility knife, substantially as shown and described. 